Circular Electric Connector

The D38999 series represents the gold standard in ruggedized circular connectors for military, aerospace, and extreme-environment applications. These high-reliability connectors feature threaded coupling for secure mating and superior performance in harsh conditions.

Military-Grade Features:

• Ultra-durable construction (aluminum/stainless steel)
• EMI/RFI shielding per MIL-STD-461
• Environmental sealing (IP67 to hermetic options)
• -65°C to +200°C operating range
• Vibration/shock resistant (MIL-STD-810)

Global Equivalents:

• GJB599B
• EN2997

Ideal for weapon systems, radar arrays, armored vehicles, and oil/gas equipment. Available in standard, filtered, and hybrid optical-electrical versions.

The MIL-DTL-26482 series is a robust family of circular connectors designed for harsh-environment military, aerospace, and industrial applications. These connectors feature a quick-disconnect bayonet coupling system, ensuring rapid and secure mating in demanding conditions.

Key Features:

✔ Quick-Connect Bayonet Lock – 1/4-turn coupling for fast engagement (MIL-DTL-26482G)
✔ High Reliability – Rated for 500+ mating cycles
✔ Environmental Sealing – IP67 (submersible when mated)
✔ EMI/RFI Shielding – Meets MIL-STD-461 requirements
✔ Wide Temperature Range – Operates from -65°C to +175°C

Configurations:

• Shell Sizes:08, 10, 12, 14, 16, 18, 20, 22, 24
• Contact Arrangements:1 to 128 pins
• Materials:Aluminum, stainless steel, and composite shells

Military & Industrial Applications:

✓ Ground vehicles (tanks, armored personnel carriers)
✓ Shipboard electronics
✓ Aviation systems (non-critical flight applications)
✓ Oil & gas equipment

The MIL-C-5015 series represents a rugged, threaded circular connector standard designed for heavy-duty military, aerospace, and industrial applications requiring extreme environmental protection. These connectors are known for their exceptional durability and reliability in harsh operating conditions.

Key Features:

✔ Threaded Coupling – Secure, vibration-resistant connection
✔ High Mechanical Strength – Withstands severe shock and vibration
✔ Environmental Sealing – Hermetic and submersible options (IP68)
✔ Wide Temperature Range – Operates from -65°C to +200°C
✔ Multiple Shell Materials – Aluminum, stainless steel, and corrosion-resistant alloys

Technical Specifications:

• Shell Sizes:Ranging from size 8 to size 24
• Contact Configurations:1 to 61 contacts
• Current Rating:Up to 40A per contact
• Voltage Rating:Up to 1500V

Primary Applications:

✓ Military ground vehicles
✓ Shipboard electronic systems
✓ Aerospace and avionics equipment
✓ Industrial machinery in extreme environments

The Y23 series is a line of rugged, environmentally sealed circular connectors designed for military, aerospace, and industrial applications requiring reliable performance in harsh conditions.

Key Features:

✔ Threaded Coupling – Secure, vibration-resistant connection
✔ IP67 Sealing – Water and dustproof when mated
✔ High Reliability – Rated for 500+ mating cycles
✔ Wide Temperature Range – Operates from -55°C to +125°C
✔ EMI Shielding – Effective electromagnetic interference protection

Technical Specifications:

• Shell Sizes:10, 12, 14, 16, 18, 20, 22, 24
• Contact Arrangements:3 to 61 contacts
• Materials:Aluminum alloy, stainless steel

Typical Applications:

✓ Military communications equipment
✓ Vehicle electronics
✓ Industrial control systems
✓ Outdoor instrumentation

The Y50EX series represents a specialized line of intrinsically safe, explosion-proof circular connectors designed for hazardous environments where flammable gases, vapors, or dust may be present. These connectors meet stringent safety standards for use in oil & gas, mining, chemical processing, and military applications.

Key Features:

✔ Explosion-Proof Certification – Compliant with ATEX, IECEx, and GB3836 standards
✔ Flameproof Design – Prevents ignition of surrounding atmosphere
✔ High Durability – Corrosion-resistant stainless steel shells
✔ Environmental Sealing – IP68 rating (submersible to 10m)
✔ Wide Temperature Range – Operates from -40°C to +120°C

Technical Specifications:

• Shell Sizes:16, 20, 24, 28, 32, 40mm
• Contact Configurations:3 to 61 pins
• Current Rating:Up to 16A per contact
• Voltage Rating:Up to 250V AC/DC

he Y50X series is a high-performance line of environmentally sealed, military-grade circular connectors designed for extreme conditions in defense, aerospace, and industrial applications.

Key Features:

✔ Robust Threaded Coupling – Vibration-resistant MIL-SPEC performance
✔ IP68 Sealing – Submersible to 10m depth (1 hour)
✔ Enhanced EMI Shielding – Meets MIL-STD-461 requirements
✔ Wide Temp Range – Operates from -55°C to +175°C
✔ High-Density Options – Up to 128 contacts

Technical Specifications:

• Shell Sizes:12–36mm (aluminum/stainless steel)
• Current Rating:5–40A per contact
• Voltage Rating:250–1500V
• 500+ mating cycles

Applications:

✓ Armored vehicle electronics
✓ Naval communications
✓ UAV avionics
✓ Railway signaling

The YW series is a premium line of environmentally sealed, high-density circular connectors engineered for demanding military, aerospace, and industrial applications. These connectors combine rugged reliability with advanced technical features for mission-critical systems.

Key Features:

✔ Advanced Coupling System – Quick-disconnect bayonet or threaded options
✔ Superior Environmental Protection – IP68/IP69K rated (submersible, dustproof, pressure-resistant)
✔ Enhanced EMI/RFI Shielding – Exceeds MIL-STD-461 requirements
✔ Extended Temperature Range – Operates from -65°C to +200°C
✔ High-Density Configuration – Supports up to 128 contacts

Technical Specifications:

• Shell Sizes:14–40mm (aluminum, stainless steel, or composite)
• Current Rating:Up to 50A per contact
• Voltage Rating:Up to 2000V
• 1000+ mating cycles

Applications:

✓ Next-generation military electronics
✓ Space launch systems
✓ Undersea exploration equipment
✓ High-speed rail systems
✓ Industrial automation in extreme environments

The Y50DX series is an advanced line of compact, high-performance circular connectors designed for mission-critical applications in defense, aerospace, and industrial automation. These connectors deliver exceptional reliability in extreme environments while maintaining a space-saving footprint.

Key Features:

✔ High-Density Design – Up to 128 contacts in a compact shell
✔ Triple-Seal Protection – IP68-rated (submersible to 10m) with dust/chemical resistance
✔ Quick-Lock Coupling – 1/4-turn bayonet mechanism for rapid secure mating
✔ Extended Temperature Range – -65°C to +200°C operational capability
✔ Enhanced EMI Shielding – Meets MIL-STD-461G requirements

Technical Specifications:

• Shell Sizes:16–40mm (lightweight aluminum or stainless steel)
• Current Rating:5–40A per contact
• Voltage Rating:50–1500V
• 500+ mating cycleswith minimal insertion loss

Applications:

✓ UAV avionics systems
✓ Portable military communications
✓ Satellite ground equipment
✓ Oil & gas downhole tools
✓ Robotics in harsh environments